====================================== | [ 8.943056][ T88] softirqs last disabled at (381212): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 8.943058][ T88] Preemption disabled at: | [ 8.943059][ T88] vprintk_emit (kernel/printk/printk.c:2471) | [ 8.943067][ T88] Tainted: [W]=WARN [ 8.943068][ T88] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.943070][ T88] Call Trace: [ 8.943072][ T88] [ 8.943073][ T88] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 8.943079][ T88] ? vprintk_emit (kernel/printk/printk.c:2471) [ 8.943081][ T88] __might_resched.cold (kernel/sched/core.c:9234) [ 8.943085][ T88] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 8.943089][ T88] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 8.943094][ T88] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 8.943096][ T88] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.943101][ T88] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 8.943103][ T88] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.943107][ T88] put_chars (drivers/char/virtio_console.c:1176) [ 8.943109][ T88] ? __send_to_port (drivers/char/virtio_console.c:654) [ 8.943113][ T88] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 8.943117][ T88] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 8.943120][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.943125][ T88] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 8.943127][ T88] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.943133][ T88] console_emit_next_record (kernel/printk/printk.c:3183) [ 8.943137][ T88] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 8.943141][ T88] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.943143][ T88] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.943147][ T88] console_flush_one_record (kernel/printk/printk.c:3268) [ 8.943151][ T88] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 8.943152][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.943157][ T88] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 8.943160][ T88] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 8.943161][ T88] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.943163][ T88] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 8.943167][ T88] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 8.943168][ T88] ? vprintk_emit (kernel/printk/printk.c:2478) [ 8.943171][ T88] vprintk_emit (kernel/printk/printk.c:2479) [ 8.943175][ T88] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 8.943177][ T88] ? write_profile (profile.c:?) [ 8.943180][ T88] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 8.943186][ T88] dev_vprintk_emit (drivers/base/core.c:5000) [ 8.943191][ T88] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 8.943195][ T88] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 8.943201][ T88] dev_printk_emit (drivers/base/core.c:5011) [ 8.943204][ T88] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 8.943208][ T88] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 8.943213][ T88] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 8.943218][ T88] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 8.943220][ T88] ? netdev_notice (net/core/dev.c:13194) [ 8.943222][ T88] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 8.943226][ T88] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 8.943228][ T88] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 8.943231][ T88] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 8.943234][ T88] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 8.943237][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.943238][ T88] ? rwsem_optimistic_spin (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:4434 kernel/locking/rwsem.c:245 kernel/locking/rwsem.c:898) [ 8.943240][ T88] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 8.943244][ T88] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 8.943246][ T88] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 8.943249][ T88] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 8.943255][ T88] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 8.943258][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.943260][ T88] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 8.943262][ T88] ? mark_usage (kernel/locking/lockdep.c:4690) [ 8.943263][ T88] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 8.943266][ T88] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 8.943268][ T88] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 8.943272][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.943277][ T88] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 8.943278][ T88] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 8.943281][ T88] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.943283][ T88] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.943285][ T88] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.943286][ T88] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.943288][ T88] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 8.943291][ T88] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 8.943294][ T88] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 8.943295][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.943297][ T88] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 8.943299][ T88] ? mark_usage (kernel/locking/lockdep.c:4690) [ 8.943301][ T88] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 8.943303][ T88] ? nla_get_range_signed (lib/nlattr.c:270) [ 8.943309][ T88] ? mark_usage (kernel/locking/lockdep.c:4690) [ 8.943312][ T88] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 8.943319][ T88] rtnl_setlink (net/core/rtnetlink.c:3596) [ 8.943323][ T88] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 8.943324][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.943347][ T88] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 8.943348][ T88] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 8.943351][ T88] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 8.943353][ T88] ? mark_usage (kernel/locking/lockdep.c:4690) [ 8.943355][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.943359][ T88] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 8.943360][ T88] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 8.943363][ T88] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 8.943365][ T88] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 8.943368][ T88] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 8.943371][ T88] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 8.943374][ T88] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 8.943376][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.943380][ T88] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 8.943381][ T88] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 8.943385][ T88] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 8.943388][ T88] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 8.943392][ T88] ? netlink_ack (./include/linux/skbuff.h:2718) [ 8.943398][ T88] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 8.943400][ T88] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 8.943405][ T88] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 8.943409][ T88] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 8.943411][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.943413][ T88] ? do_raw_spin_trylock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:93 kernel/locking/spinlock_debug.c:123) [ 8.943417][ T88] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 8.943421][ T88] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 8.943425][ T88] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 8.943428][ T88] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 8.943431][ T88] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 8.943435][ T88] ? __ia32_sys_getpeername (net/socket.c:2235) [ 8.943445][ T88] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 8.943451][ T88] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 8.943453][ T88] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 8.943457][ T88] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 8.943458][ T88] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 8.943460][ T88] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 8.943461][ T88] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 8.943464][ T88] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 8.943466][ T88] RIP: 0033:0x7f6b568d454e [ 8.943470][ T88] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 8.943471][ T88] RSP: 002b:00007ffece3bb7a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 8.943474][ T88] RAX: ffffffffffffffda RBX: 0000558f29f5ef50 RCX: 00007f6b568d454e [ 8.943476][ T88] RDX: 0000000000000030 RSI: 0000558f29f60960 RDI: 000000000000001c [ 8.943476][ T88] RBP: 00007ffece3bb7b0 R08: 00007ffece3bb800 R09: 0000000000000080 [ 8.943477][ T88] R10: 0000000000000000 R11: 0000000000000202 R12: 0000558f2a0b48f0 [ 8.943478][ T88] R13: 00007ffece3bb8e4 R14: 0000000000000000 R15: 0000000000000000 | [ 12.412197][ T520] softirqs last disabled at (9483): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.412199][ T520] Preemption disabled at: | [ 12.412200][ T520] 0x0 | [ 12.412210][ T520] Tainted: [W]=WARN [ 12.412211][ T520] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.412213][ T520] Call Trace: [ 12.412214][ T520] [ 12.412216][ T520] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.412222][ T520] __might_resched.cold (kernel/sched/core.c:9234) [ 12.412226][ T520] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.412230][ T520] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.412234][ T520] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 12.412236][ T520] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.412242][ T520] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 12.412244][ T520] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.412247][ T520] put_chars (drivers/char/virtio_console.c:1176) [ 12.412250][ T520] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.412252][ T520] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 12.412255][ T520] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.412258][ T520] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.412262][ T520] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.412265][ T520] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.412266][ T520] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.412270][ T520] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.412273][ T520] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.412276][ T520] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.412279][ T520] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.412283][ T520] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.412287][ T520] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.412289][ T520] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.412293][ T520] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.412296][ T520] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.412298][ T520] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.412303][ T520] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.412305][ T520] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.412307][ T520] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.412309][ T520] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.412312][ T520] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.412313][ T520] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.412316][ T520] vprintk_emit (kernel/printk/printk.c:2479) [ 12.412320][ T520] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.412323][ T520] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.412326][ T520] _printk (kernel/printk/printk.c:2504) [ 12.412330][ T520] ? snapshot_read.cold (user.c:?) [ 12.412333][ T520] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 12.412335][ T520] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.412338][ T520] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 12.412341][ T520] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 12.412344][ T520] ? exit_notify (kernel/exit.c:780) [ 12.412346][ T520] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.412349][ T520] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.412352][ T520] do_group_exit (kernel/exit.c:1151) [ 12.412356][ T520] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 12.412358][ T520] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 12.412360][ T520] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.412363][ T520] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.412366][ T520] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.412368][ T520] RIP: 0033:0x7fb10a8a31b8 [ 12.412371][ T520] Code: Unable to access opcode bytes at 0x7fb10a8a318e. Code starting with the faulting instruction =========================================== [ 12.412372][ T520] RSP: 002b:00007fff5426c2b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 12.412374][ T520] RAX: ffffffffffffffda RBX: 00007fb10a9d3f88 RCX: 00007fb10a8a31b8 [ 12.412375][ T520] RDX: 00007fb10a7e2408 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 12.412376][ T520] RBP: 00007fff5426c310 R08: 0000000000000000 R09: 00000000000000a0 [ 12.412377][ T520] R10: 00007fff5426c130 R11: 0000000000000246 R12: 0000000000000001 Finger prints: netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print